Merge remote-tracking branch 'origin/master' into develop
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@ -57,13 +57,33 @@ To use a Teensy 2.0 as an ISP flashing tool, you will first need to load a [spec
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!> Note that the `B0` pin on the Teensy should be wired to the `RESET` pin on the keyboard's controller. ***DO NOT*** connect the `RESET` pin on the Teensy to the `RESET` on the keyboard.
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### SparkFun PocketAVR / USBtinyISP / USBasp
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### SparkFun PocketAVR / USBtinyISP
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[SparkFun PocketAVR](https://www.sparkfun.com/products/9825)
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[Adafruit USBtinyISP](https://www.adafruit.com/product/46)
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!> SparkFun PocketAVR and USBtinyISP **DO NOT support** AVR chips with more than 64 KiB of flash (e.g., the AT90USB128 series). This limitation is mentioned on the [shop page for SparkFun PocketAVR](https://www.sparkfun.com/products/9825) and in the [FAQ for USBtinyISP](https://learn.adafruit.com/usbtinyisp/f-a-q#faq-2270879). If you try to use one of these programmers with AT90USB128 chips, you will get verification errors from `avrdude`, and the bootloader won't be flashed properly (e.g., see the [issue #3286](https://github.com/qmk/qmk_firmware/issues/3286)).
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**AVRDUDE Programmer**: `usbtiny`
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**AVRDUDE Port**: `usb`
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#### Wiring
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|ISP |Keyboard|
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|---------|--------|
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|`VCC` |`VCC` |
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|`GND` |`GND` |
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|`RST` |`RESET` |
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|`SCLK` |`SCLK` |
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|`MOSI` |`MOSI` |
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|`MISO` |`MISO` |
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### USBasp
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[Thomas Fischl's USBasp](https://www.fischl.de/usbasp/)
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**AVRDUDE Programmer**: `usbtiny` / `usbasp`
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**AVRDUDE Programmer**: `usbasp`
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**AVRDUDE Port**: `usb`
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#### Wiring
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